Predicted to enable 5'-flap endonuclease activity and crossover junction endodeoxyribonuclease activity. Predicted to be involved in DNA metabolic process and regulation of telomere maintenance. Predicted to be located in nucleoplasm. Predicted to be part of Slx1-Slx4 complex. Orthologous to human SLX1A (SLX1 homolog A, structure-specific endonuclease subunit). [provided by Alliance of Genome Resources, Apr 2022]